Their support forum tells that they don't have right away solution for it.
Quote:We do not provide any library that supports the direct conversion from the PDF to Doc or OpenXml (.docx) format.
Suggestion is to try the following approach:
Quote:It's only possible to obtain the PDF document text and images using the PDF Document API library (see the Extract Content from a PDF Document topic) and then, build the Doc/OpenXml document based on this data using the Word Processing Document API library. However, it might be not possible to achieve the same layout as in the initial PDF document.
Refer: Convert PDF file to Word | DevExpress Support